Answer Detail: RE: </P><P>If A driver drives a car four times a lap 10,20 30,60 kmph.What is his average speed.

GeekInterview.com > Placement Papers > IBM > Aptitude

Print |

Question:

If A driver drives a car four times a lap 10,20 30,60 kmph.What is his average speed.

July 07, 2005 02:02:30	#6
bhaskar s p	Member Since: Visitor Total Comments: N/A
RE: If A driver drives a car four times a lap 10,20 30,60 kmph.What is his average speed.
avg speed for 2 speeds is 2xy/(x+y) therefore avg of 21020/(10+20) and 23060/(30+60) which is equal to 20 its correct 20